i.MX ProcessorsのトピックUnderstanding mx6_plugin.S assembly https://community.nxp.com/t5/i-MX-Processors/Understanding-mx6-plugin-S-assembly/m-p/845711#M129552 <HTML><HEAD></HEAD><BODY><P>In file mx6_plugin.S I see this code</P><P></P><P>plugin_start:</P><P>push {r0-r4, lr}</P><P></P><P>Why only push r0 to r4 and why not r0 to r6?</P></BODY></HTML> Tue, 03 Jul 2018 16:24:25 GMT mrigendra_chaub 2018-07-03T16:24:25Z Understanding mx6_plugin.S assembly https://community.nxp.com/t5/i-MX-Processors/Understanding-mx6-plugin-S-assembly/m-p/845711#M129552 <HTML><HEAD></HEAD><BODY><P>In file mx6_plugin.S I see this code</P><P></P><P>plugin_start:</P><P>push {r0-r4, lr}</P><P></P><P>Why only push r0 to r4 and why not r0 to r6?</P></BODY></HTML> Tue, 03 Jul 2018 16:24:25 GMT https://community.nxp.com/t5/i-MX-Processors/Understanding-mx6-plugin-S-assembly/m-p/845711#M129552 mrigendra_chaub 2018-07-03T16:24:25Z Re: Understanding mx6_plugin.S assembly https://community.nxp.com/t5/i-MX-Processors/Understanding-mx6-plugin-S-assembly/m-p/845712#M129553 <HTML><HEAD></HEAD><BODY><P>Hi mrigendra</P><P></P><P>seems r0 to r4 are used by rom (unfortunately rom sources are not</P><P>available), plugin function must return so they are preserved.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 04 Jul 2018 00:20:06 GMT https://community.nxp.com/t5/i-MX-Processors/Understanding-mx6-plugin-S-assembly/m-p/845712#M129553 igorpadykov 2018-07-04T00:20:06Z